Isopropyl???

sick GN

Member
Joined
Jun 18, 2001
What exactly is the difference between running Isopropyl alky ands denatured?? Can you run more boost without detonation with the Denatured?? Just wondered!
 
I could run about 5 degrees more timing and 4-5 psi more boost using 100% denatured over 70% isopropyl.
 
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